I believe u mean PEER pressure Yes it has an affect on the brain, it manipulates/pushes it to do something even if it doesn't want to. it can affect the body by harming urself from peer pressure.
if u DO mean pure pressure, as in pain, yes it has a physical affect and idk if it affects the brain.
I HOPE I HELP (ノ・ω・)ノ
Milk is generally slightly more acidic (pH 7.2) than the mother's plasma (pH 7.4) so it attracts weak organic bases such as oxycodone and codeine. Such drugs become ionised and 'trapped' in the milk.
Most Females that are 5'4 should weigh about 110-144 pounds. But I do think she could function.